In this article the challenge of extending the functionality of a Web service while guaranteeing backwards compatibility with old client applications is addressed. The authors contribute with a new interface design technique called ”Generic Web Services”. Using the technique service providers can extend the scope of Web services without breaking compatibility with existing clients. The goal is ...

This paper describes the Smart Operation of Networked Appliances (SONA) system which realizes the autonomous and asynchronous operation of networked appliances by using mobile agents. In SONA system, the mobile agents operate networked appliances in place of user’s direct manipulation. Existing appliances operation systems such as remote controllers require users to input their demands synchron...

Interorganizational cooperation is more and more organized by the paradigm of services. The service-oriented architecture (SOA) provides a general framework for service interaction. It describes three roles, service provider, service requester, and service broker, together with the operations publish, find, and bind. We provide a formal method based on nondeterministic automata to model service...

Versioning is an important aspect of web service development, which has not been adequately addressed so far. In this article, we propose extensions to WSDL and UDDI to support versioning of web service interfaces at development-time and run-time. We address service-level and operation-level versioning, service endpoint mapping, and version sequencing. We also propose annotation extensions for ...

The Department of Veterans Affairs (VA) has made treatment and care of Operation Iraqi Freedom/Operation Enduring Freedom (OIF/OEF) veterans a priority. Researchers face challenges identifying the OIF/OEF population because until fiscal year 2008, no indicator of OIF/OEF service was present in the Veterans Health Administration (VHA) administrative databases typically used for research. In this...

The Language Grid is an infrastructure for enabling users to share language services developed by language specialists and end user communities. Users can also create new services to support their intercultural/multilingual activities by composing various language services. In the Language Grid, there are several stakeholders with different incentives: service users, service providers, and a La...